Fix virtual/override/final usage in the rest of Source/core/.

Source/core/workers/SharedWorkerGlobalScope.h

Index: Source/core/workers/SharedWorkerGlobalScope.h
diff --git a/Source/core/workers/SharedWorkerGlobalScope.h b/Source/core/workers/SharedWorkerGlobalScope.h
index 93620ea19f541faaab140439dca6f2ce2cadfba9..8476ea6f039609432df17e40b85d4b170170cc34 100644
--- a/Source/core/workers/SharedWorkerGlobalScope.h
+++ b/Source/core/workers/SharedWorkerGlobalScope.h
@@ -47,12 +47,12 @@ class SharedWorkerGlobalScope final : public WorkerGlobalScope {
 public:
     typedef WorkerGlobalScope Base;
     static PassRefPtrWillBeRawPtr<SharedWorkerGlobalScope> create(const String& name, SharedWorkerThread*, PassOwnPtr<WorkerThreadStartupData>);
-    virtual ~SharedWorkerGlobalScope();
+    ~SharedWorkerGlobalScope() override;
 
-    virtual bool isSharedWorkerGlobalScope() const override { return true; }
+    bool isSharedWorkerGlobalScope() const override { return true; }
 
     // EventTarget
-    virtual const AtomicString& interfaceName() const override;
+    const AtomicString& interfaceName() const override;
 
     // Setters/Getters for attributes in SharedWorkerGlobalScope.idl
     DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
@@ -64,7 +64,7 @@ public:
 
 private:
     SharedWorkerGlobalScope(const String& name, const KURL&, const String& userAgent, SharedWorkerThread*, const SecurityOrigin*, PassOwnPtrWillBeRawPtr<WorkerClients>);
-    virtual void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) override;
+    void logExceptionToConsole(const String& errorMessage, int scriptId, const String& sourceURL, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack>) override;
 
     String m_name;
 };